Principal HPC Software Engineer

Company: GliaCell Technologies
Location: Annapolis Junction
Posted on: April 2, 2026

Job Description:

Are you a Principal HPC Software Engineer who is ready for a new challenge that will launch your career to the next level? Tired of being treated like a company drone? Tired of promised adventures during the hiring phase, then dropped off on a remote contract and never seen or heard from the mothership again? Our engineers were certainly tired of the same. At GliaCell our slogan is “We make It happen”. We will immerse you in the latest technologies. We will develop and support your own personalized training program to continue your individual growth. We will provide you with work that matters with our mission focused customers, and surround you with a family of brilliant engineers. Culture isn’t something you need to talk about…if it just exists. If this sounds interesting to you, then we’d like to have a discussion regarding your next adventure! If you want to be a drone, this isn’t the place for you. We Make It Happen! GliaCell Technologies focuses on Software & System Engineering in Enterprise and Cyber Security solution spaces. We excel at delivering stable and reliable software solutions using Agile Software Development principles. These provide us the capability to deliver a quick turn-around using interactive applications and the integration of industry standard software stacks. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization. We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. We Offer: Long term job security Competitive salaries & bonus opportunities Challenging work you are passionate about Ability to work with some amazingly talented people Job Description: GliaCell is seeking a Principal HPC Software Engineer on one of our subcontracts. This is a full-time position offering the opportunity to support a U.S. Government customer. The mission is to provide technical expertise that assists in sustaining critical mission-related software and systems to a large government contract. Key Responsibilities: STE/STN automation and monitoring sustainment • Frontend hardening • Utility frontdoor and courier containers Container security • LatteArt IAVM, PO&AM etc. RBAC and CMS product creation & sustainment • Mapping of roles to permission sets General solution security • Background hardening, as applicable • Security reviews and audits for other team’s products Knowledge • Security expertise at the design and implementation level Day to Day: Define, develops, tests, and deploys components of the solution Works with an Agile team to create and refine user stories and acceptance Collaborates with other team member to build and test software and hardware components Participate in daily stand-up/scrums meetings Conduct research, prototyping, and exploration activities Develops, maintains, and enhances complex and diverse infrastructure as code (IaC) for large-scale computing systems Works with installation, configuration, testing, and operational management of system solutions Key Requirements: To be considered for this position you must have the following: Possess an active or rein-statable TS/SCI with Polygraph security clearance. U.S. Citizenship. Bachelor’s degree in Math, Computer Engineering, Computer Science, or related discipline from an accredited college or university & 7 years of experience as an HSE in programs and contracts of similar scope, type, and complexity. Or, a Master’s degree in Math, Computer Engineering, Computer Science, or related discipline from an accredited college or university, plus 5 years of experience as an HSE in programs and contracts of similar scope, type, and complexity. Works well independently as well as on a team. Strong communication skills. Key Skills: Linux, Linux tools Infrastructure automation technology: Ansible, SaltStack, Puppet, Chef, Terraform, etc. Willing and able to learn Ansible Adapting to and adhering to project-specific Ansible coding standards Familiar with and able to perform full software-development lifecycle support with version-control tools (Git, GitLab) Works independently, as well as with a team, to ensure that all components are functioning properly Stays abreast of the latest industry trends in both open source and commercial solutions. Supports determination of if-and-when to incorporate them into an IAC solution Communicative, collaborative, and organized Willing and able to learn new tools, protocols, custom software, firmware, and hardware Desired Skills: Programming in Ansible Bash scripting Python Container orchestration technologies Rancher Kubernetes Engine 2 (RKE2) Best practices in DevSecOps, system administration, infrastructure network services (DNS, DHCP, PXE, NTP, etc.) Security concepts pertaining to one or more of: identity and access management (IAM), access control, secrets management, and/or any security products related to these concepts Security architecture Cloud security Red Hat IDM, Keycloak, HashiCorp Vault, Delinea/Centrify Location: Maryland Salary Range: The salary range for this full-time position is $170,000 to $260,000. Our salary ranges are determined by position, level, skills, professional experience, relevant education and certifications. The range displayed on each job posting reflects the minimum and maximum target salaries for this position across our projects. Within the range, your salary is determined by your individual benefits package selection. Your recruiter can share more about the specific salary range for your preferred position during the hiring process. Benefits: CareFirst Medical, Dental, and Vision Coverage for Employee and Dependents Up to 25 Days of Paid Time Off Up to 40 hours of PTO Carryover 11 Federal Government Holidays Work From Home Opportunities 401K Company Contribution, Fully Vested Day 1 Discretionary, Certification, and Sign-On Bonus Potential Employee Referral Bonus Program Annual Professional Development 100% Premium Covered for Life & Disability Insurances Additional Voluntary Life Insurance Coverage Available Employee Assistance Program Travel Protection Program Financial Planning Assistance Bereavement and Jury Duty Leave Monthly Team and Family Events Technology Budget Global Entry Annual Swag Budget Learn more about GliaCell Technologies: https://gliacelltechnologies.applytojob.com/apply/ GliaCell Technologies, LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

Keywords: GliaCell Technologies, Wheaton-Glenmont , Principal HPC Software Engineer, IT / Software / Systems , Annapolis Junction, Maryland